public class Week1 {
	public static void main(String args[]){
		int a,b,c;
		a=Integer.valueOf(args[0]).intValue();
		b=Integer.valueOf(args[1]).intValue();
		c=Integer.valueOf(args[2]).intValue();
		triangle t =new triangle(a,b,c);
		t.test();
	}
}
class triangle{
//object triangle	
	int a,b,c; //3sides
	triangle(int a,int b,int c){
		this.a=a;
		this.b=b;
		this.c=c;
	}
void test(){//the function to test the types
	int a,b,c;
	a=this.a;
	b=this.b;
	c=this.c;

	if(a+b<=c||b+c<=a||a+c<=b||a<=0||b<=0||c<=0)//classifies the triangle
		System.out.println("it's not a triangle,please try again");
	else if(a==b&&b==c){
		System.out.println("it's a equilateral");
	}else if (a==b||b==c||a==c){
		System.out.println("it's a isosceles");
	}else{
		System.out.println("it's a scalene");
	}

//code

}
//chanage a little bit to test the code
}
